\centering
\scriptsize
\renewcommand{\arraystretch}{1.5}
\begin{subfigure}{.19\linewidth}
  \centering
  \begin{tabular}{r | c c}
    \toprule
    & $\bm{P_-}$ & $\bm{P_+}$ \\
    \midrule
    $\bm{T_-}$ & 96.64\% & 0.01\% \\
    $\bm{T_+}$ & 0.01\% & 3.34\% \\
    \bottomrule
  \end{tabular}
  \caption{\textsc{Reachability}}
\end{subfigure}
\hfill
\begin{subfigure}{.19\linewidth}
  \centering
  \begin{tabular}{r | c c}
    \toprule
    & $\bm{P_-}$ & $\bm{P_+}$ \\
    \midrule
    $\bm{T_-}$ & 95.94\% & 0.13\% \\
    $\bm{T_+}$ & 1.70\% & 2.23\% \\
    \bottomrule
  \end{tabular}
  \caption{\textsc{DomTree}}
\end{subfigure}
\hfill
\begin{subfigure}{.19\linewidth}
  \centering
  \begin{tabular}{r | c c}
    \toprule
    & $\bm{P_-}$ & $\bm{P_+}$ \\
    \midrule
    $\bm{T_-}$ & 98.80\% & 0.00\% \\
    $\bm{T_+}$ & 0.00\% & 1.20 \% \\
    \bottomrule
  \end{tabular}
  \caption{\textsc{DataDep}}
\end{subfigure}
\hfill
\begin{subfigure}{.19\linewidth}
  \centering
  \begin{tabular}{r | c c}
    \toprule
    & $\bm{P_-}$ & $\bm{P_+}$ \\
    \midrule
    $\bm{T_-}$ & 90.00\% & 0.00\% \\
    $\bm{T_+}$ & 0.00\% & 9.99\% \\
    \bottomrule
  \end{tabular}
  \caption{\textsc{Liveness}}
\end{subfigure}
\hfill
\begin{subfigure}{.19\linewidth}
  \centering
  \begin{tabular}{r | c c}
    \toprule
    & $\bm{P_-}$ & $\bm{P_+}$ \\
    \midrule
    $\bm{T_-}$ & 99.12\% & 0.02\% \\
    $\bm{T_+}$ & 0.13\% & 0.73\% \\
    \bottomrule
  \end{tabular}
  \caption{\textsc{Subexpressions}}
\end{subfigure}
